fix: 1.接入ai_suggestion.

2. 接入合同起草功能。

app/styles/components/file-preview-isolation.css

@@ -1,14 +1,15 @@
 /* 文件预览样式隔离 */
 .file-preview-isolation {
   all: unset !important;
-  display: block !important;
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
+  display: flex !important;
+  flex-direction: column !important;
+  /* font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important; */
   font-size: 14px !important;
   line-height: 1.5 !important;
   color: #333 !important;
   background: #fff !important;
   width: 100% !important;
-  min-height: 600px !important;
+  height: 800px !important;
   position: relative !important;
   isolation: isolate !important;
   contain: layout style !important;
@@ -94,9 +95,22 @@
 }
 
 .file-preview-isolation .file-preview-content {
-  max-height: calc(100vh - 150px) !important;
+  flex: 1 !important;
   overflow: auto !important;
   background: #f8f9fa !important;
   padding: 0 !important;
   margin: 0 !important;
+  height: 100% !important;
+}
+
+/* 为了保持内部容器也能填充高度 */
+.file-preview-isolation .file-preview {
+  display: flex !important;
+  flex-direction: column !important;
+  height: 100% !important;
+}
+
+.file-preview-isolation .pdf-interactive-container {
+  flex: 1 !important;
+  min-height: 0 !important;
 }